device fingerprinting

IT Services Circle

Jun 13, 2025 · Information Security

Defending Against Million‑QPS Attacks: Rate Limiting, Fingerprinting & Real‑Time Rules

This article explains how to protect systems from massive malicious traffic reaching millions of queries per second by combining gateway rate limiting, distributed circuit breaking, device fingerprinting, behavior analysis, dynamic rule engines, and real‑time risk scoring, illustrated with Nginx‑Lua, Sentinel, Drools, and Flink examples.

DDoS mitigationRate Limitingbackend security

0 likes · 15 min read

Defending Against Million‑QPS Attacks: Rate Limiting, Fingerprinting & Real‑Time Rules

Sohu Tech Products

Jun 8, 2022 · Information Security

Device Fingerprinting Technology: Theory, Implementation, Compliance, and Risk Scenarios

This article explains the fundamentals of device fingerprinting, its technical implementation, SDK composition, privacy compliance requirements, and how it is applied in risk control scenarios such as gaming and fraud detection.

AndroidMobile SecuritySDK

0 likes · 10 min read

Device Fingerprinting Technology: Theory, Implementation, Compliance, and Risk Scenarios

Xianyu Technology

Dec 27, 2018 · Big Data

Device Fingerprinting and User Growth Architecture in Alibaba's Xianyu Platform

Alibaba’s Xianyu platform uses a multi‑signal device fingerprinting system, UMID, to uniquely identify users across Android and iOS devices, storing the data in sharded MySQL, HiStore OLAP, and Tair caches, enabling precise ad bidding, conversion tracking, and scalable user‑growth strategies.

Big Dataadvertising optimizationdevice fingerprinting

0 likes · 9 min read

Device Fingerprinting and User Growth Architecture in Alibaba's Xianyu Platform